{
  "type": "minecraft:crafting_shaped",
  "category": "misc",
  "key": {
    "B": {
      "tag": "forge:plates/steel"
    },
    "A": {
      "tag": "forge:plates/invar"
    }
  },
  "pattern": [
    "ABA",
    "B B",
    "ABA"
  ],
  "result": {
    "item": "railcraft:high_pressure_steam_boiler_tank"
  },
  "show_notification": true
}